<!DOCTYPE html>
<html>
<head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><title>模拟心的跳动</title>
</head>
<style type="text/css">* {margin: 0;padding: 0;
}
body {background-color: #D4CECE;
}
.big {width: 200px;height: 200px;margin: 0 auto;position: relative;animation: heartAnimation 0.7s linear 0s infinite;
}
.big #heart {margin: 5px 0;width: 100%;height: 100%;background-color: #FF0606;position: absolute;
}
.left,.right {border-radius: 100px 100px 0 0; /*左上 右上 右下 左下*/box-shadow: 0px 0px 20px #FD0707;
}
.bottom {box-shadow: 0px 0px 20px #FD0707;
}
.left {transform: translate(-50px,150px) rotate(-45deg); /*translate()位移 rotate() 旋转角度*/
}
.right {transform: translate(50px,150px) rotate(45deg);
}
.bottom {transform: translate(0,214px) rotate(45deg) scale(.9,.9) /*scale:定义 2D 缩放转换。*/}
/*动画效果*/
@keyframes heartAnimation{form {transform: scale(0.9,0.9);}to {transform: scale(1.1,1.1);}
}
</style>
<body><div class="big"><div id="heart" class="left"></div><div id="heart" class="right"></div><div id="heart" class="bottom"></div></div>
</body>
</html>
![bzoj4152: [AMPPZ2014]The Captain](http://pic.xiahunao.cn/bzoj4152: [AMPPZ2014]The Captain)
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